cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A071239 a(n) = n*(n+1)*(n^2 + 2)/6.

Table of values

n a(n)
0 0
1 1
2 6
3 22
4 60
5 135
6 266
7 476
8 792
9 1245
10 1870
11 2706
12 3796
13 5187
14 6930
15 9080
16 11696
17 14841
18 18582
19 22990
20 28140
21 34111
22 40986
23 48852
24 57800
25 67925
26 79326
27 92106
28 106372
29 122235
30 139810
31 159216
32 180576
33 204017
34 229670
35 257670
36 288156
37 321271
38 357162
39 395980

List of values

[0, 1, 6, 22, 60, 135, 266, 476, 792, 1245, 1870, 2706, 3796, 5187, 6930, 9080, 11696, 14841, 18582, 22990, 28140, 34111, 40986, 48852, 57800, 67925, 79326, 92106, 106372, 122235, 139810, 159216, 180576, 204017, 229670, 257670, 288156, 321271, 357162, 395980]